mesh not importing but the rig is imported

[Mrkkama]

i just gives me this error

Python: Traceback (most recent call last):
File "/io_import_scene_unreal_psa_psk_280.py", line 2224, in execute
if not pskimport_proxy():
File "/io_import_scene_unreal_psa_psk_280.py", line 2205, in pskimport_proxy
return pskimport(
File "/io_import_scene_unreal_psa_psk_280.py", line 1172, in pskimport
bone_group_unused = armature_obj.pose.bone_groups.new(name = "Unused bones")
AttributeError: 'Pose' object has no attribute 'bone_groups'

[mubeen1729]

Just use Blender 2.83 to import the files, and export it as FBX to be used in other versions of Blender.
I got the same error in blender 3.x versions and blender 4 too - worked fine in 2.83 LTS.